[Checkins] SVN: zope.component/trunk/src/zope/component/registry.py Slightly optimized un/registerUtility for already existing subscribers.

[Hanno Schlichting]

Log message for revision 81137:
  Slightly optimized un/registerUtility for already existing subscribers.
  

Changed:
  U   zope.component/trunk/src/zope/component/registry.py

-=-
Modified: zope.component/trunk/src/zope/component/registry.py
===================================================================
--- zope.component/trunk/src/zope/component/registry.py	2007-10-27 16:12:26 UTC (rev 81136)
+++ zope.component/trunk/src/zope/component/registry.py	2007-10-27 16:53:07 UTC (rev 81137)
@@ -75,11 +75,11 @@
             # already registered
             return
 
-        subscribed = [
-            1
-            for ((p, _), (c,_)) in self._utility_registrations.iteritems()
-            if p == provided and c == component
-            ]
+        subscribed = False
+        for ((p, _), (c,_)) in self._utility_registrations.iteritems():
+            if p == provided and c == component:
+                subscribed = True
+                break
 
         self._utility_registrations[(provided, name)] = component, info
         self.utilities.register((), provided, name, component)
@@ -108,11 +108,11 @@
         del self._utility_registrations[(provided, name)]
         self.utilities.unregister((), provided, name)
 
-        subscribed = [
-            1
-            for ((p, _), (c,_)) in self._utility_registrations.iteritems()
-            if p == provided and c == component
-            ]
+        subscribed = False
+        for ((p, _), (c,_)) in self._utility_registrations.iteritems():
+            if p == provided and c == component:
+                subscribed = True
+                break
 
         if not subscribed:
             self.utilities.unsubscribe((), provided, component)